Suham Towfiq Ameen, , Eman Thiab Ahmed Al Samaraee. Determination of Dextromethorphan Hydreobromide in pharmaceutical preparation using derivative spectrophotometric method. Tikrit J. Pure Sci. [انترنت]. 2 فبراير، 2023 [وثق 18 مايو، 2024];22(10):99-109. موجود في: https://tjps.tu.edu.iq/index.php/tjps/article/view/895